Home › Forums › GAMES在线课程(现代计算机图形学入门)讨论区 › lecture4 perspective&orthogonal projection Tagged: question This topic has 0 replies, 1 voice, and was last updated 4 years, 7 months ago by dzy. Viewing 0 reply threads Author Posts 2020年4月19日 at 上午6:00 #5868 Score: 0 dzyParticipant 老师,助教好 我看第四讲课件,讲orthographic projection的时候,是把任意一个cuboid转换到canonical cube,但到了perspective projection的时候,似乎要限定是关于原点对称的frustum,也就是说必须满足l=-r,t=-b,也只有这样才能保证后面说用fov和aspect ratio就能表示这个frustum 不知道到这里我理解得对不对? Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In